Here is a sample code:
<rad:RadGrid ID="RadGrid1" SkinID="DetalheCandidato" runat="server" AutoGenerateColumns="false" AllowPaging="false" EnableAJAX="true" ShowHeader="true" EnableAJAXLoadingTemplate="true"AllowSorting="true" Skin="None" MasterTableView-ShowHeadersWhenNoRecords="false" LoadingTemplateTransparency="50" onitemcreated="rad_Candidatos_ItemCreated" onitemcommand="rad_Candidatos_ItemCommand" onselectedindexchanged="rad_Candidatos_SelectedIndexChanged" onsortcommand="rad_Candidatos_SortCommand">
<AJAXLoadingTemplate>
<asp:Image ID="imgLoa" runat="server" ImageUrl="~/BackOffice/Images/timer.gif" />
</AJAXLoadingTemplate>
<MasterTableView DataKeyNames="TbcaID,UsrGUI,TbcaGUI">
<Columns>
<rad:GridTemplateColumn HeaderText="opes" HeaderStyle-HorizontalAlign="Center" HeaderStyle-Width="80px" ItemStyle-Width="90px">
<ItemStyle HorizontalAlign="Center" />
<ItemTemplate>
<rad:RadMenu ID="RadMenuCmd" runat="server" Flow="Vertical" Skin="Default2006" SkinsPath="~/RadControls/Menu" EnableTheming="true">
<Items>
<rad:RadMenuItem Text="choices">
<Items>
<rad:RadMenuItem>
<ItemTemplate>
<asp:LinkButton ID="LNB_Select" runat="server" Text="Ver perfil" CommandName="Select"></asp:LinkButton>
<br />
<asp:LinkButton ID="LNK_ConsDocs" runat="server" CommandName="Navigate">Consultar Documentos</asp:LinkButton>
<br />
Pedir Anlise do Perfil Pessoal (APP)
<br />
<asp:LinkButton ID="LNB_PontCandidato" runat="server" CommandName="Edit">Pontuar Candidato</asp:LinkButton>
<br />
<asp:LinkButton ID="LNB_CatCandidato" runat="server" CommandName="Navigate">Categorizar Candidato</asp:LinkButton>
<br />
Copiar Candidato para Pasta
<br />
Inserir comentrio sobre Candidatura
<br />
<asp:LinkButton ID="LNB_SolCont" runat="server" CommandName="Navigate">Solicitar Contacto Candidato</asp:LinkButton>
<br />
<asp:LinkButton ID="LNB_InsCom" runat="server" CommandName="Navigate">Inserir comentrio sobre Candidato</asp:LinkButton>
<br />
<asp:LinkButton ID="LNB_SMSCand" runat="server" CommandName="Navigate">Enviar SMS Candidato</asp:LinkButton>
<br />
<asp:LinkButton ID="LNB_MsgCand" runat="server" CommandName="Navigate">Enviar Mensagem Candidato</asp:LinkButton>
<br />
<asp:LinkButton ID="LNB_OutrosProc" runat="server" CommandName="Navigate">Ver outros processos do Candidato</asp:LinkButton>
<br />
Procurar Candidato no Google
<br />
<asp:LinkButton ID="LNB_Entrevista" runat="server" CommandName="Navigate">Marcar Entrevista</asp:LinkButton>
<br />
<asp:LinkButton runat="server" EnableViewState="false" OnClientClick="return confirm('Tem a certeza que deseja apagar o registo?')" CommandName="Delete" Text="Apagar" ToolTip="Apagar" ID="btnDelete"/>
</ItemTemplate>
</rad:RadMenuItem>
</Items>
</rad:RadMenuItem>
</Items>
</rad:RadMenu>
</ItemTemplate>
</rad:GridTemplateColumn>
<rad:GridBoundColumn DataField="TbcaDataIn" HeaderText="Data" SortExpression="TbcaDataIn"
DataFormatString="{0:d}" HeaderStyle-HorizontalAlign="Center" ItemStyle-Width="63px" />
</Columns>
</MasterTableView>
</rad:RadGrid>
</Columns>
Thks.